<template>
  <div class="tab-bar-item" @click="itemClick">
    <div v-if="!isActive"><slot name="item-icon"></slot></div>
    <div v-else><slot name="item-icon-active"></slot></div>
    <div :style="activeStyle"><slot name="item-text"></slot></div>
  </div>
</template>

<script>
    export default {
        name: "TabBarItem",
        data() {
            return {
                // isActive: false
            }
        },
        props: {
            path: String,
            activeColor: {
                type: String,
                default: 'red'
            }
        },
        methods: {
            itemClick() {
                this.$router.push(this.path)
            }
        },
        computed: {
            isActive() {
                // this.$route 哪一个路由处于活跃状态就代表哪个路由
                return this.$route.path.indexOf(this.path) !== -1
            },
            activeStyle() {
              return this.isActive ? {color: this.activeColor} : {}
            }
        }
    }
</script>

<style scoped>
  .tab-bar-item {
    flex: 1;
    text-align: center;
    height: 49px;
    font-size: 14px;
  }

  .tab-bar-item img {
    width: 24px;
    height: 24px;
    margin-top: 3px;
    margin-bottom: 2px;
    vertical-align: middle;
  }

  /*.active {*/
  /*  color: red;*/
  /*}*/
</style>
